﻿#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
static int a = 1;
void fun1(void) { a= 2; }
void fun2(void) { int a= 3; }
void fun3(void) { static int a = 4; }
int main() {
	printf("%d", a);
	fun1();
	printf("%d", a);
	fun2();
	printf("%d", a);

	fun3();

	printf("%d", a);
}